org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English Detail (H) and schematic reconstruction (I) of the anterior region of Pikaia...
truetrue English Schematic reconstruction of the anterior region of Pikaia under the new anatomical interpretation, showing the anterior appendages as dorsally...
truetrue English Schematic reconstruction of the anterior region of Pikaia under the new anatomical interpretation, showing the anterior appendages as dorsally...
https://creativecommons.org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English Representative stem-group chordates and comparisons with Pikaia...